:root{--bg-primary: #212121;--bg-secondary: #171717;--bg-tertiary: #2f2f2f;--bg-hover: #2f2f2f;--text-primary: #ececec;--text-secondary: #9b9b9b;--text-muted: #6b6b6b;--accent-color: #7c3aed;--accent-hover: #6d28d9;--border-color: #303030;--input-bg: #303030;--message-user-bg: transparent;--message-bot-bg: transparent;--sidebar-width: 260px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica Neue,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);height:100vh;height:100dvh;overflow:hidden;-webkit-font-smoothing:antialiased;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#app{height:100%}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#424242;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#555}*{scrollbar-width:thin;scrollbar-color:#424242 transparent}.app-container{display:flex;height:100vh;height:100dvh;width:100vw;position:relative}.sidebar{width:var(--sidebar-width);background-color:var(--bg-secondary);display:flex;flex-direction:column;flex-shrink:0;transition:transform .3s cubic-bezier(.4,0,.2,1),width .3s cubic-bezier(.4,0,.2,1);overflow:hidden;border-right:1px solid var(--border-color)}.sidebar.closed{width:0;transform:translate(calc(-1 * var(--sidebar-width)));border-right:none}.sidebar-top{padding:.75rem;display:flex;flex-direction:column;gap:.5rem;flex-shrink:0}.sidebar-header{display:flex;align-items:center;gap:.6rem;padding:.5rem}.sidebar-logo{width:28px;height:28px;object-fit:contain;flex-shrink:0}.sidebar-header h1{font-size:1rem;font-weight:600;color:var(--text-primary);margin:0;letter-spacing:.02em}.new-chat-btn{width:100%;padding:.6rem 1rem;background-color:transparent;border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:.875rem;cursor:pointer;transition:all .15s ease;text-align:left}.new-chat-btn:hover{background-color:var(--bg-hover)}.sidebar-search{position:relative;flex-shrink:0}.sidebar-search input{width:100%;padding:.5rem .75rem .5rem 2rem;background:var(--input-bg);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:.8rem;font-family:inherit;outline:none;transition:border-color .2s}.sidebar-search input:focus{border-color:var(--accent-color)}.sidebar-search input::placeholder{color:var(--text-muted)}.sidebar-search-icon{position:absolute;left:.6rem;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.new-folder-btn{width:100%;padding:.45rem .75rem;background:transparent;border:1px dashed var(--border-color);border-radius:8px;color:var(--text-muted);font-size:.8rem;cursor:pointer;transition:all .15s ease;text-align:left;display:flex;align-items:center;gap:.4rem}.new-folder-btn:hover{background-color:var(--bg-hover);color:var(--text-secondary);border-color:var(--text-muted)}.chat-list{flex:1;overflow-y:auto;padding:.25rem .5rem;display:flex;flex-direction:column;gap:1px}.date-group-label{font-size:.7rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;padding:.6rem .75rem .25rem;-webkit-user-select:none;user-select:none}.sidebar-folder{margin-bottom:2px;border-radius:8px;overflow:hidden}.sidebar-folder-header{display:flex;align-items:center;gap:.4rem;padding:.45rem .75rem;cursor:pointer;transition:background .15s ease;border-radius:8px;-webkit-user-select:none;user-select:none}.sidebar-folder-header:hover{background-color:var(--bg-hover)}.folder-chevron{font-size:.55rem;color:var(--text-muted);transition:transform .2s ease;width:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.folder-chevron.open{transform:rotate(90deg)}.folder-icon-emoji{font-size:.8rem;flex-shrink:0}.sidebar-folder-name{flex:1;font-size:.8rem;font-weight:600;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-folder-name-input{flex:1;background:var(--input-bg);border:1px solid var(--accent-color);border-radius:4px;color:var(--text-primary);font-size:.8rem;font-weight:600;padding:.1rem .3rem;outline:none;font-family:inherit;min-width:0}.sidebar-folder-count{font-size:.65rem;color:var(--text-muted);background:var(--bg-tertiary);padding:.1rem .4rem;border-radius:10px;flex-shrink:0}.sidebar-folder-delete{display:none;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.9rem;padding:0;line-height:1;border-radius:4px;flex-shrink:0;transition:color .15s}.sidebar-folder-header:hover .sidebar-folder-delete{display:block}.sidebar-folder-delete:hover{color:#ef4444}.sidebar-folder-items{padding-left:.5rem}.chat-list-item{display:flex;align-items:center;padding:.5rem .75rem;border-radius:8px;cursor:pointer;transition:background .15s ease;color:var(--text-secondary);font-size:.85rem;position:relative;gap:.4rem;min-height:36px}.chat-list-item:hover{background-color:var(--bg-hover);color:var(--text-primary)}.chat-list-item.active{background-color:var(--bg-tertiary);color:var(--text-primary)}.chat-list-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.chat-list-title-input{flex:1;background:var(--input-bg);border:1px solid var(--accent-color);border-radius:4px;color:var(--text-primary);font-size:.85rem;padding:.15rem .4rem;outline:none;font-family:inherit;min-width:0}.chat-msg-count{font-size:.65rem;color:var(--text-muted);flex-shrink:0;min-width:16px;text-align:right}.chat-item-actions{display:none;align-items:center;gap:2px;flex-shrink:0}.chat-list-item:hover .chat-item-actions{display:flex}.chat-action-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.85rem;padding:2px 4px;line-height:1;border-radius:4px;flex-shrink:0;transition:all .15s ease;display:flex;align-items:center;justify-content:center}.chat-action-btn:hover{color:var(--text-primary);background:#ffffff0f}.chat-action-btn.delete:hover{color:#ef4444;background:#ef44441a}.chat-delete-btn{display:none;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1.1rem;padding:0 .25rem;line-height:1;border-radius:4px;flex-shrink:0;transition:color .15s}.chat-list-item:hover .chat-delete-btn{display:block}.chat-delete-btn:hover{color:#ef4444;background-color:#ef44441a}.move-folder-dropdown{position:absolute;right:0;top:100%;z-index:200;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;min-width:160px;padding:.25rem;box-shadow:0 8px 24px #0006;animation:dropdown-in .15s ease}@keyframes dropdown-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.move-folder-dropdown-item{display:flex;align-items:center;gap:.4rem;padding:.4rem .6rem;border:none;background:none;color:var(--text-secondary);font-size:.8rem;font-family:inherit;cursor:pointer;border-radius:6px;width:100%;text-align:left;transition:all .1s ease}.move-folder-dropdown-item:hover{background:var(--bg-hover);color:var(--text-primary)}.move-folder-dropdown-item.active{color:var(--accent-color)}.sidebar-overlay{display:none}@media(max-width:768px){.sidebar-overlay{display:block;position:fixed;inset:0;background:#00000080;z-index:49}}.sidebar-bottom{padding:.5rem;border-top:1px solid var(--border-color);flex-shrink:0}.sidebar-bottom-btn{width:100%;display:flex;align-items:center;gap:.6rem;padding:.6rem .75rem;background:transparent;border:none;border-radius:8px;color:var(--text-secondary);font-size:.875rem;cursor:pointer;transition:all .15s ease}.sidebar-bottom-btn:hover{background-color:var(--bg-hover);color:var(--text-primary)}.sidebar-bottom-btn.active{background-color:var(--bg-tertiary);color:var(--text-primary)}.sidebar-toggle{position:absolute;top:.75rem;left:.75rem;z-index:100;background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-secondary);border-radius:8px;width:36px;height:36px;display:none;align-items:center;justify-content:center;cursor:pointer;font-size:1.1rem;transition:all .15s ease}.sidebar-toggle:hover{background-color:var(--bg-hover);color:var(--text-primary)}.sidebar-user{display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;margin-bottom:.25rem}.user-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#4f46e5);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:#fff;flex-shrink:0}.user-name{flex:1;font-size:.85rem;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:.25rem;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:color .15s,background .15s}.logout-btn:hover{color:#ef4444;background-color:#ef44441a}.sync-indicator{display:flex;align-items:center;justify-content:center;margin-left:auto;margin-right:.25rem;transition:color .3s}.sync-indicator.synced{color:#22c55e}.sync-indicator.syncing{color:var(--text-muted)}.sync-indicator.error{color:#ef4444}.sync-spinner{animation:spin 1s linear infinite}.main-content{flex:1;display:flex;flex-direction:column;height:100%;min-width:0;background-color:var(--bg-primary)}.chat-container{display:flex;flex-direction:column;height:100%;position:relative}.chat-header{display:flex;align-items:center;justify-content:flex-end;padding:.5rem 1rem;flex-shrink:0;min-height:44px}.export-btn{display:flex;align-items:center;gap:.35rem;background:transparent;border:1px solid var(--border-color);border-radius:8px;color:var(--text-muted);font-size:.78rem;padding:.35rem .7rem;cursor:pointer;transition:all .15s ease;font-family:inherit}.export-btn:hover{color:var(--text-primary);border-color:var(--text-secondary);background:var(--bg-hover)}.messages-area{flex:1;overflow-y:auto;padding:.5rem 1rem 0;display:flex;flex-direction:column}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;padding-bottom:4rem}.empty-logo{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#4f46e5);display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;color:#fff;margin-bottom:1.25rem}.empty-logo-img{width:80px;height:auto;object-fit:contain;margin-bottom:1.25rem}.empty-state h2{font-size:1.5rem;font-weight:600;margin:0 0 .5rem;color:var(--text-primary)}.empty-subtitle{color:var(--text-muted);font-size:.9rem;margin:0}.message-row{display:flex;justify-content:center;padding:.5rem 0}.message-bubble{display:flex;gap:.75rem;max-width:min(768px,100%);width:100%;padding:0 1rem;position:relative}.message-row.user .message-bubble{flex-direction:row-reverse}.message-row.user .message-content{background:var(--bg-tertiary);border-radius:18px 18px 4px;padding:.75rem 1rem}.message-row.assistant .message-content,.message-row.system .message-content{padding:.4rem 0}.message-avatar{flex-shrink:0;padding-top:4px}.avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700}.avatar.bot{background:linear-gradient(135deg,#7c3aed,#4f46e5);color:#fff}.avatar.system{background-color:#dc2626;color:#fff}.message-content{flex:1;min-width:0}.message-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.2rem}.message-role{font-size:.8rem;font-weight:600;color:var(--text-secondary)}.message-row.user .message-role{color:var(--text-primary)}.message-actions{display:flex;align-items:center;gap:.25rem;margin-top:.25rem;opacity:0;transition:opacity .2s}.message-row.user .message-actions{justify-content:flex-end}.message-bubble:hover .message-actions{opacity:1}.copy-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;transition:color .2s}.copy-btn:hover{color:var(--text-primary)}.message-text{line-height:1.7;font-size:.95rem;white-space:pre-wrap;word-break:break-word;color:var(--text-primary)}.message-row.system .message-text{color:#fca5a5}.typing-indicator{display:flex;align-items:center;justify-content:center;gap:4px;padding:1rem 0}.typing-indicator span{width:6px;height:6px;border-radius:50%;background:var(--text-muted);animation:typing 1.4s infinite ease-in-out}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.markdown-body p{margin:.4em 0}.markdown-body p:first-child{margin-top:0}.markdown-body p:last-child{margin-bottom:0}.markdown-body ul,.markdown-body ol{padding-left:1.5em;margin:.5em 0}.markdown-body li{margin:.25em 0}.markdown-body h1,.markdown-body h2,.markdown-body h3{margin:.8em 0 .4em;font-weight:600}.markdown-body h1{font-size:1.3em}.markdown-body h2{font-size:1.15em}.markdown-body h3{font-size:1.05em}.markdown-body blockquote{border-left:3px solid var(--accent-color);margin:.5em 0;padding:.3em 1em;color:var(--text-secondary)}.markdown-body a{color:var(--accent-color);text-decoration:none}.markdown-body a:hover{text-decoration:underline}.markdown-body table{border-collapse:collapse;margin:.5em 0;width:100%}.markdown-body th,.markdown-body td{border:1px solid var(--border-color);padding:.4em .8em;text-align:left}.markdown-body th{background:#ffffff0d;font-weight:600}.code-block-wrapper{margin:.8em 0;border-radius:8px;overflow:hidden;border:1px solid var(--border-color)}.code-block-header{display:flex;align-items:center;justify-content:space-between;background:#1a1a2e;padding:.4rem .8rem;font-size:.75rem}.code-lang{color:var(--text-secondary);text-transform:uppercase;font-weight:600;letter-spacing:.5px}.code-copy-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:2px 6px;border-radius:4px;display:flex;align-items:center;transition:color .2s}.code-copy-btn:hover{color:var(--text-primary)}.inline-code{background:#ffffff14;padding:.15em .4em;border-radius:4px;font-size:.88em;font-family:Consolas,Monaco,monospace}.edit-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;transition:color .2s}.edit-btn:hover{color:var(--text-primary)}.edit-area{margin-top:.3rem}.edit-area textarea{width:100%;background:var(--input-bg);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);padding:.6rem .8rem;font-size:.95rem;font-family:inherit;outline:none;resize:none;line-height:1.5;max-height:200px;transition:border-color .2s}.edit-area textarea:focus{border-color:var(--accent-color)}.edit-actions{display:flex;gap:.5rem;margin-top:.5rem}.edit-save-btn{background:var(--accent-color);color:#fff;border:none;border-radius:6px;padding:.35rem 1rem;font-size:.85rem;cursor:pointer;transition:background .15s}.edit-save-btn:hover{background:var(--accent-hover)}.edit-cancel-btn{background:transparent;color:var(--text-secondary);border:1px solid var(--border-color);border-radius:6px;padding:.35rem 1rem;font-size:.85rem;cursor:pointer;transition:all .15s}.edit-cancel-btn:hover{color:var(--text-primary);border-color:var(--text-secondary)}.regenerate-row{display:flex;justify-content:center;padding:.3rem 0 1rem}.regenerate-btn{display:flex;align-items:center;gap:.4rem;background:transparent;color:var(--text-secondary);border:1px solid var(--border-color);border-radius:8px;padding:.4rem 1rem;font-size:.85rem;cursor:pointer;transition:all .15s ease}.regenerate-btn:hover{color:var(--text-primary);border-color:var(--text-secondary);background:var(--bg-hover)}.input-wrapper{padding:0 1rem 1.25rem;display:flex;flex-direction:column;align-items:center;flex-shrink:0}.input-container{max-width:768px;width:100%;position:relative;background-color:var(--input-bg);border-radius:16px;border:1px solid var(--border-color);display:flex;align-items:flex-end;padding:.5rem;gap:4px;transition:border-color .2s}.input-container:focus-within{border-color:var(--accent-color)}.input-container textarea{flex:1;background:transparent;border:none;color:var(--text-primary);padding:.5rem 0;font-size:.95rem;font-family:inherit;outline:none;resize:none;line-height:1.5;max-height:200px}.input-container textarea::placeholder{color:var(--text-muted)}.input-container button[type=submit],.input-container .stop-btn{background-color:var(--accent-color);color:#fff;border:none;border-radius:10px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s,opacity .15s;flex-shrink:0}.input-container button[type=submit]:hover:not(:disabled){background-color:var(--accent-hover)}.input-container button[type=submit]:disabled{opacity:.4;cursor:default}.upload-btn-inline,.agent-toggle-btn{background:transparent;color:var(--text-muted);border:none;border-radius:8px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;padding:0;transition:all .15s}.upload-btn-inline:hover:not(:disabled),.agent-toggle-btn:hover{color:var(--text-primary);background:var(--bg-hover)}.upload-btn-inline:disabled{opacity:.5;cursor:default}.agent-toggle-btn.active{color:var(--accent-color);background:#7c3aed26}.upload-spinner{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.file-preview-bar{max-width:768px;width:100%;display:flex;flex-wrap:wrap;gap:.35rem;margin-bottom:.4rem}.file-preview-item{display:flex;align-items:center;gap:.35rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;padding:.3rem .5rem;font-size:.75rem;color:var(--text-secondary);max-width:220px}.file-preview-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:120px}.file-preview-size{color:var(--text-muted);flex-shrink:0}.file-preview-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:2px;border-radius:4px;display:flex;align-items:center;transition:color .15s;flex-shrink:0}.file-preview-remove:hover{color:#ef4444}.stop-btn{background-color:#ef4444!important;color:#fff!important;border:none;border-radius:10px!important;width:36px!important;height:36px!important;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;margin-left:.5rem!important;transition:background .15s}.stop-btn:hover{background-color:#dc2626!important}.message-timestamp{font-size:.7rem;color:var(--text-muted);font-weight:400}.thinking-block{margin:.4em 0;border-left:2px solid var(--text-muted);border-radius:0}.thinking-toggle{display:flex;align-items:center;gap:.4rem;background:none;border:none;color:var(--text-muted);font-size:.8rem;font-family:inherit;font-weight:500;cursor:pointer;padding:.25rem .6rem;border-radius:4px;transition:color .15s}.thinking-toggle:hover{color:var(--text-secondary)}.thinking-block.streaming .thinking-toggle{color:var(--accent-color)}.thinking-spinner{animation:spin 1s linear infinite;flex-shrink:0}.thinking-chevron{transition:transform .2s ease;flex-shrink:0}.thinking-chevron.open{transform:rotate(90deg)}.thinking-content{padding:.4rem .75rem;font-size:.82rem;color:var(--text-muted);line-height:1.6;white-space:pre-wrap;word-break:break-word;animation:thinking-fade-in .15s ease}@keyframes thinking-fade-in{0%{opacity:0;max-height:0}to{opacity:1;max-height:2000px}}.input-disclaimer{margin:.5rem 0 0;font-size:.75rem;color:var(--text-muted)}.settings-container{padding:2rem;max-width:700px;margin:0 auto;overflow-y:auto;height:100%}.settings-container h2{font-size:1.3rem;font-weight:600;margin:0 0 1rem}.settings-tabs{display:flex;gap:4px;background:var(--bg-secondary);padding:4px;border-radius:10px;margin-bottom:1.5rem}.settings-tab{flex:1;padding:.55rem .75rem;border:none;border-radius:8px;background:transparent;color:var(--text-secondary);font-size:.85rem;font-family:inherit;cursor:pointer;transition:all .15s}.settings-tab:hover{color:var(--text-primary)}.settings-tab.active{background:var(--bg-tertiary);color:var(--text-primary);font-weight:500}.tab-content{display:flex;flex-direction:column;gap:.25rem}.setting-group{margin-bottom:1.5rem}.setting-group label{display:block;margin-bottom:.5rem;font-size:.875rem;font-weight:500;color:var(--text-secondary)}.setting-group input[type=text],.setting-group input[type=password],.setting-select{width:100%;padding:.75rem 1rem;border-radius:10px;border:1px solid var(--border-color);background-color:var(--input-bg);color:var(--text-primary);font-size:.9rem;font-family:inherit;outline:none;transition:border-color .2s}.setting-group input[type=text]:focus,.setting-group input[type=password]:focus,.setting-select:focus{border-color:var(--accent-color)}.setting-select option{background-color:var(--bg-secondary);color:var(--text-primary)}.setting-hint{margin-top:.4rem;font-size:.8rem;color:var(--text-muted)}.setting-input{width:100%;background:var(--input-bg);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);padding:.6rem .8rem;font-size:.95rem;font-family:inherit;outline:none;margin-top:.5rem;transition:border-color .2s}.setting-input:focus{border-color:var(--accent-color)}.setting-input::placeholder{color:var(--text-muted)}.setting-textarea{width:100%;padding:.75rem 1rem;border-radius:10px;border:1px solid var(--border-color);background-color:var(--input-bg);color:var(--text-primary);font-size:.9rem;font-family:inherit;outline:none;resize:vertical;line-height:1.5;transition:border-color .2s}.setting-textarea:focus{border-color:var(--accent-color)}.setting-textarea::placeholder{color:var(--text-muted)}.setting-range{width:100%;-webkit-appearance:none;appearance:none;height:6px;border-radius:3px;background:var(--border-color);outline:none}.setting-range::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent-color);cursor:pointer}.range-labels{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-muted);margin-top:.3rem}.mode-toggle{display:flex;gap:4px;background:var(--bg-secondary);padding:4px;border-radius:10px}.mode-btn{flex:1;padding:.5rem 1rem;border:none;border-radius:8px;background:transparent;color:var(--text-secondary);font-size:.85rem;font-family:inherit;cursor:pointer;transition:all .15s}.mode-btn.active{background:var(--accent-color);color:#fff}.save-btn{padding:.7rem 1.5rem;border:none;border-radius:10px;background-color:var(--accent-color);color:#fff;font-size:.9rem;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s;margin-top:.5rem}.save-btn:hover:not(:disabled){background-color:var(--accent-hover)}.save-btn:disabled{opacity:.5;cursor:default}.upload-zone{border:2px dashed var(--border-color);border-radius:12px;padding:2rem;text-align:center;color:var(--text-muted);cursor:pointer;transition:border-color .2s,background .2s;font-size:.9rem}.upload-zone:hover{border-color:var(--accent-color);background:#7c3aed0d;color:var(--text-secondary)}.upload-zone.dragging{border-color:var(--accent-color);background:#7c3aed1a;color:var(--text-primary)}.upload-icon{margin-bottom:.5rem;color:var(--text-muted)}.upload-zone:hover .upload-icon,.upload-zone.dragging .upload-icon{color:var(--accent-color)}.upload-hint{display:block;font-size:.75rem;color:var(--text-muted);margin-top:.3rem}.doc-list{display:flex;flex-direction:column;gap:4px;max-height:400px;overflow-y:auto}.doc-item{display:flex;align-items:center;justify-content:space-between;padding:.6rem .75rem;border-radius:8px;background:var(--bg-secondary);border:1px solid var(--border-color)}.doc-item.embedded{border-color:#0596694d;background:#0596690d}.doc-info{display:flex;flex-direction:column;min-width:0;flex:1}.doc-name{font-size:.85rem;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.doc-folder{font-size:.7rem;color:var(--text-muted)}.doc-action-btn{padding:.3rem .7rem;border:none;border-radius:6px;font-size:.75rem;font-family:inherit;cursor:pointer;transition:all .15s;flex-shrink:0;margin-left:.5rem}.doc-action-btn.embed{background:var(--accent-color);color:#fff}.doc-action-btn.embed:hover{background:var(--accent-hover)}.doc-action-btn.remove{background:#dc262626;color:#fca5a5}.doc-action-btn.remove:hover{background:#dc26264d}.doc-action-btn:disabled{opacity:.5;cursor:default}.doc-message{padding:.6rem .8rem;border-radius:8px;font-size:.85rem;background:#7c3aed1a;border:1px solid rgba(124,58,237,.2);color:#c4b5fd;margin-bottom:1rem}.folder-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem}.folder-header label{margin-bottom:0}.small-btn{padding:.3rem .7rem;border:1px solid var(--border-color);border-radius:6px;background:transparent;color:var(--text-secondary);font-size:.75rem;font-family:inherit;cursor:pointer;transition:all .15s}.small-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.small-btn.primary{background:var(--accent-color);border-color:var(--accent-color);color:#fff}.small-btn.primary:hover{background:var(--accent-hover)}.new-folder-row{display:flex;gap:.5rem;margin-bottom:.75rem}.new-folder-row input{flex:1;padding:.5rem .75rem;border-radius:8px;border:1px solid var(--border-color);background:var(--input-bg);color:var(--text-primary);font-size:.85rem;font-family:inherit;outline:none}.new-folder-row input:focus{border-color:var(--accent-color)}.folder-group{border:1px solid var(--border-color);border-radius:8px;overflow:hidden;margin-bottom:4px}.folder-row{display:flex;align-items:center;gap:.5rem;padding:.55rem .75rem;background:var(--bg-secondary);cursor:pointer;transition:background .15s}.folder-row:hover{background:var(--bg-hover)}.folder-icon{font-size:.65rem;color:var(--text-muted);width:12px}.folder-name{flex:1;font-size:.85rem;font-weight:500;color:var(--text-primary)}.folder-count{font-size:.7rem;color:var(--text-muted);background:var(--bg-tertiary);padding:.1rem .4rem;border-radius:10px;margin-right:.5rem}.folder-files{border-top:1px solid var(--border-color);padding:4px;display:flex;flex-direction:column;gap:2px}.folder-files .doc-item{border:none;background:transparent;padding:.4rem .5rem .4rem 1.5rem}.folder-files .doc-item.embedded{background:#0596690d}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.info-item{padding:.6rem .75rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;display:flex;flex-direction:column;gap:.2rem}.info-label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em}.info-value{font-size:.95rem;font-weight:600;color:var(--text-primary)}.workspace-badge{display:inline-block;padding:.4rem .8rem;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;font-size:.85rem;color:var(--text-primary);font-family:monospace}.status-box{padding:1rem;border-radius:10px;margin-top:1rem;font-size:.9rem}.status-box.connected{background-color:#05966926;border:1px solid rgba(5,150,105,.3);color:#6ee7b7}.status-box.error{background-color:#dc262626;border:1px solid rgba(220,38,38,.3);color:#fca5a5}.status-box.checking{background-color:#7c3aed26;border:1px solid rgba(124,58,237,.3);color:#c4b5fd}.status-box ul{padding-left:1.25rem;margin:.5rem 0 0}.status-box li{margin-bottom:.25rem}.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background-color:var(--bg-primary);padding:1rem}.auth-card{width:100%;max-width:400px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:2.5rem 2rem;text-align:center}.auth-logo{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#7c3aed,#4f46e5);display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;color:#fff;margin:0 auto 1.25rem}.auth-logo-img{width:120px;height:auto;object-fit:contain;margin:0 auto 1.25rem;display:block}.auth-card h1{font-size:1.4rem;font-weight:600;margin:0 0 .3rem}.auth-subtitle{color:var(--text-muted);font-size:.9rem;margin:0 0 1.5rem}.auth-form{display:flex;flex-direction:column;gap:1rem;text-align:left}.auth-field label{display:block;font-size:.8rem;font-weight:500;color:var(--text-secondary);margin-bottom:.35rem}.auth-field input{width:100%;padding:.7rem .9rem;border-radius:10px;border:1px solid var(--border-color);background-color:var(--input-bg);color:var(--text-primary);font-size:.9rem;font-family:inherit;outline:none;transition:border-color .2s}.auth-field input:focus{border-color:var(--accent-color)}.auth-field input::placeholder{color:var(--text-muted)}.auth-btn{width:100%;padding:.75rem;border:none;border-radius:10px;background-color:var(--accent-color);color:#fff;font-size:.95rem;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s;margin-top:.5rem}.auth-btn:hover:not(:disabled){background-color:var(--accent-hover)}.auth-btn:disabled{opacity:.5;cursor:default}.auth-error{background-color:#dc262626;border:1px solid rgba(220,38,38,.3);color:#fca5a5;padding:.6rem .8rem;border-radius:8px;font-size:.85rem;text-align:center}.auth-switch{margin:1.25rem 0 0;font-size:.85rem;color:var(--text-muted)}.auth-switch button{background:none;border:none;color:var(--accent-color);cursor:pointer;font-size:.85rem;font-family:inherit;text-decoration:underline}.auth-switch button:hover{color:var(--accent-hover)}@media(max-width:768px){.sidebar{position:fixed;top:0;left:0;height:100vh;height:100dvh;z-index:50;box-shadow:4px 0 24px #00000080;width:85vw;max-width:320px}.sidebar.closed{transform:translate(-100%);width:85vw;max-width:320px}.sidebar-toggle{display:flex}.message-bubble{padding:0 .25rem;gap:.5rem}.message-row{padding:.35rem 0}.messages-area{padding:.5rem .5rem 0}.message-row.user .message-content{padding:.6rem .8rem}.input-wrapper{padding:0 .5rem .75rem}.input-container{border-radius:12px;padding:.4rem;gap:2px}.upload-btn-inline,.agent-toggle-btn,.input-container button[type=submit],.input-container .stop-btn{width:32px;height:32px}.input-container textarea{font-size:.9rem;padding:.35rem 0}.chat-list-item{min-height:44px;padding:.6rem .75rem}.sidebar-folder-header{min-height:40px}.new-chat-btn{min-height:44px;display:flex;align-items:center}.sidebar-bottom-btn{min-height:44px}.empty-state h2{font-size:1.25rem}.settings-container{padding:1rem}.info-grid{grid-template-columns:1fr}.chat-header{padding:.5rem .5rem .5rem 3rem}}@media(min-width:769px)and (max-width:1024px){:root{--sidebar-width: 220px}.message-bubble{padding:0 .5rem}.settings-container{padding:1.5rem}}@media(min-width:1025px){.sidebar-toggle{display:none}}.search-highlight{background:#7c3aed4d;border-radius:2px;padding:0 1px}